7x-(-3x)=-28

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Solution for 7x-(-3x)=-28 equation: 


Simplifying
7x + -1(-3x) = -28

Remove parenthesis around (-3x)
7x + -1 * -3x = -28

Multiply -1 * -3
7x + 3x = -28

Combine like terms: 7x + 3x = 10x
10x = -28

Solving
10x = -28

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '10'.
x = -2.8

Simplifying
x = -2.8

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